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Social experiments to fight poverty: Esther Duflo on TED.com

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Alleviating poverty is more guesswork than science, and lack of data on aid’s impact raises questions about how to provide it. But Clark Medal-winner Esther Duflo says it’s possible to know which development efforts help and which hurt — by testing solutions with randomized trials. (Recorded at TED2010, February 2010 in Long Beach, CA. Duration: []